<template>
  <el-container class="home-container">
    <!--头部区域-->
    <el-header>
     <div>
         <img src="../assets/heima.png" >
         <span>电商后台管理系统</span>
     </div>
      <el-button type="info" plain @click="logout">退出</el-button>
    </el-header>
    <el-container>
      <!--侧边栏区域-->
      <el-aside :width="isCollapse ? '64px': '200px' ">
        
  <el-menu
      class="el-menu-vertical-demo"
      background-color="#333744"
      text-color="#fff"
      active-text-color="skyblue"
      unique-opened                                   
      :collapse-transition="false"
      :collapse="isCollapse"
      router
      :default-active = 'activePath' >
        <!--切换菜单-->
      <div class="toggle-button" @click="toggle">
        <span>|||</span>
      </div>
      <!--一级菜单-->
      <el-submenu :index="item.id +'' " v-for="item in menulist" :key="item.id">
        <template slot="title">
          <i :class="iconObj[item.id]"></i>
          <span>{{item.authName}}</span>
        </template>
         <!--二级菜单-->
        <el-menu-item :index=" '/'+subItem.path" v-for="subItem in item.children" :key="subItem.id" >
          <template slot="title">
            <i class="el-icon-menu"></i>
             <span>{{subItem.authName}}</span>
          </template>
        </el-menu-item>
      </el-submenu>
    </el-menu>

      </el-aside>
      <!--主体区域-->
      <el-main>

        <router-view></router-view>

      </el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
  data() {
    return {
        menulist:[],
        iconObj:{
          '125':'iconfont icon-users',
          '103':'iconfont icon-tijikongjian',
          '102':'iconfont icon-shangpin',
          '101':'iconfont icon-danju',
          '145':'iconfont icon-baobiao',
        },
        isCollapse:false,
        activePath:'',
    }
  },
  mounted() {
    this.getMenuList();
    this.activePath=this.$route.path;
  },
  methods: {
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
      this.$message.success("退出成功");
    },
    async getMenuList(){
      const {data:res} =await this.$http.get('menus');
      // console.log(res);
      if(res.meta.status!=200)  return this.$message.error(res.meta.msg);
      this.menulist=res.data;
    },
    toggle(){
      this.isCollapse=!this.isCollapse;
    },
  },
   watch: {
     "$route.path":function(newvalue){
      //  console.log(newvalue)
      this.activePath=newvalue;
     }
   },
};
</script>
<style lang="less" scope>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  align-items: center;
    color:#fff;
    font-size: 20px;
    padding-left: 0;
    > div{
        display: flex;
        align-items: center;
        span{
            margin-left: 15px;
        }
    }
}
.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont {
  margin-right: 10px;
}
.toggle-button {
  background-color: #4a5064;
  color: #fff;
  font-size: 10px;
  line-height: 24px;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>